SCIP provides a range of different interfaces to LP solvers:

LPI name	LP solver
`spx`	SoPlex
`cpx`	IBM ILOG CPLEX
`xprs`	FICO XPress
`grb`	Gurobi (version at least 7.0.2 required)
`clp`	COIN-OR CLP (interface currently sometimes produces wrong results)
`glop`	Google Glop (contained in OR-tools)
`msk`	Mosek (version at least 7.0.0 required)
`qsopt`	QSopt (experimental)
`highs`	HiGHS (beta, sometimes failing)
`none`	disables LP solving entirely (not recommended; only for technical reasons)